package org.example.test;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.common.auth.*;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.GetObjectRequest;
import java.io.File;

public class Demo {

    private static  String accessKeyId = "LTAI5tHWGSZJsN3usJURFka2";
    private static String accessKeySecret = "oZvcBtVST2QaIW8MvX7dxDYImMAmu4";
    private static String endpoint = "https://oss-cn-guangzhou.aliyuncs.com";
    private static String bucketName = "java-luntan";

    public static void main(String[] args) throws Exception {

        // 填写不包含Bucket名称在内的Object完整路径，例如testfolder/exampleobject.txt。
        String objectName = "1-张三af5202d6-6fb6-4e68-89aa-81bafa9ada8d.txt";
        // 填写Object下载到本地的完整路径。
        File file1 = new File("src\\main\\resources\\temp.txt");
//        String pathName = file1.toString();

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint,accessKeyId, accessKeySecret);

        try {
            // 下载Object到本地文件，并保存到指定的本地路径中。如果指定的本地文件存在会覆盖，不存在则新建。
            // 如果未指定本地路径，则下载后的文件默认保存到示例程序所属项目对应本地路径中。
            ossClient.getObject(new GetObjectRequest(bucketName, objectName), file1);
            System.out.println("Successfully downloaded object to local file");
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}   